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pandas: filter rows of DataFrame with operator chaining
Most operations in pandas can be accomplished with operator chaining ( groupby , aggregate , apply , etc), but the only way I've found to filter rows is via normal bracket indexing
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Quickest way to convert a base 10 number to any base in .NET?
I have and old(ish) C# method I wrote that takes a number and converts it to any base:
12 Answers
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Download JSON object as a file from browser
I have the following code to let users download data strings in csv file.
11 Answers
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What are dictionary view objects?
In python 2.7, we got the dictionary view methods available.
5 Answers
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Remove all subviews?
When my app gets back to its root view controller, in the viewDidAppear: method I need to remove all subviews.
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string sanitizer for filename
I'm looking for a php function that will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?
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How do I convert a String to an int in Java?
How can I convert a String to an int in Java?
46 Answers
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Extract a part of the filepath (a directory) in Python
I need to extract the name of the parent directory of a certain path. This is what it looks like:
7 Answers
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Modify request parameter with servlet filter
An existing web application is running on Tomcat 4.1. There is an XSS issue with a page, but I can't modify the source. I've decided to write a servlet filter to sanitize the parameter before it is seen by the page.
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How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
I'm using the PostgreSQL database for my Ruby on Rails application (on Mac OS X 10.9).
15 Answers
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